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| Number | Title | Issue Date |
| 8021652 | Biodegradable branched polylactide derivatives capable of forming polymeric micelles, and their preparation method and use The present invention relates to a biodegradable branched polylactic acid derivative of formula 1, and preparation method and use thereof: 1-(R—X)n wherein each of X, R, I and n is defined as in the detailed description. ... | 09/20/2011 |
| 7959752 | Method for producing geogrid A geogrid using fiber-reinforced polymeric strips and its producing method are disclosed. The geogrid of a lattice shape includes plural longitudinal fiber-reinforced polymeric strips longitudinally arranged in parallel at regular intervals and formed by reinforcing... | 06/14/2011 |
| 7879317 | Polymeric micelle compositions with improved stability and methods of making thereof Polymeric compositions capable of forming stable micelles in an aqueous solution, comprising an amphiphilic block copolymer of a hydrophilic block and a hydrophobic block, and a polylactic acid derivative wherein one end of the polylactic acid is covalently bound to... | 02/01/2011 |
| 7691404 | Transdermal delivery system of diclofenac with improved water absorbability and adhesion properties An active agent containing adhesive composition suitable for transdermal drug delivery having excellent water absorbability which comprises an effective amount of an active agent, an acrylate adhesive, a polyvinylpyrrolidone having a molecular weight of 1,000,000-5,... | 04/06/2010 |
| 7674767 | Nanoparticle compositions of water-soluble drugs for oral administration and preparation methods thereof The present invention relates to an orally administrable composition containing nanoparticles with the particle size of 500 nm or less, comprising 0.1-30 weight % of a complex of a water-soluble drug and a counter-ion substance in which the charged water-soluble dru... | 03/09/2010 |
| 7655735 | Biodegradable multi-block polymeric composition capable of sol-gel transition and pharmaceutical composition comprising the same The present invention relates to an ionic multi-block copolymer composition comprising tri-block copolymers having a polypropyleneoxide or polybutyleneoxide block positioned between two polyethyleneoxide blocks and the tri-block copolymers are connected through dica... | 02/02/2010 |
| 7550157 | Method for the preparation of polymeric micelle via phase separation of block copolymer A method for preparing a biodegradable polymeric micellar composition using liquid polyethylene glycol as a phase separation medium. The present invention also provides an efficient method to effectively incorporate a hydrophobic drug into a polymeric micelle in a p... | 06/23/2009 |
| 7311901 | Amphiphilic block copolymer and polymeric composition comprising the same for drug delivery The present invention relates to an amphiphilic block copolymer of a hydrophilic block and a hydrophobic block with a terminal hydroxyl group wherein the terminal hydroxyl group of the hydrophobic bock is substituted with a tocopherol or cholesterol group. It also r... | 12/25/2007 |
| 7273619 | Transdermal composition of an antivomiting agent The present invention relates to a transdermal composition of an antivomiting agent, and more particularly to a transdermal composition of an antivomiting agent which can minimize skin irritation by employing tropisetron as the antivomiting agent as well as by adjus... | 09/25/2007 |
| 7226616 | Positively charged amphiphilic block copolymer as drug carrier and complex thereof with negatively charged drug The present invention provides a cationic group-containing amphiphilic block copolymer that is biocompatible and biodegradable, and when used as a drug carrier for an anionic drug, provides several advantages, such as increased blood concentration and improved stabi... | 06/05/2007 |
| 7217770 | Stable polymeric micelle-type drug composition and method for the preparation thereof A biocompatible stable composition containing a hydrophobic drug, such as paclitaxel. The composition, which forms a syringeable polymeric micellar solution in aqueous or body fluids, is a freeze-dried product comprising a hydrophobic drug, i.e. paclitaxel, and an a... | 05/15/2007 |
| 7168453 | Multi wefts inserting weaving machine for lattice woven structure A multi-wefts inserting weaving machine, comprising a block arraying device comprising an upper plate and a lower plate which face each other and are movable upward and downward; and a plural number of unit blocks attached to the internal facing sides of the upper p... | 01/30/2007 |
| 7157525 | Thermoplastic elastomer resin The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a stabilizer for hydrolysis to a thermoplastic elastomer resin produced t... | 01/02/2007 |
| 7153520 | Composition for sustained delivery of hydrophobic drugs and process for the preparation thereof A composition for the sustained delivery of a drug comprising an amphiphilic diblock copolymer; a poorly water-soluble drug; a biodegradable polymer; and liquid poly(ethylene glycol) or functional derivatives thereof and a process for preparing the composition are d... | 12/26/2006 |
| 6916788 | Liquid composition of biodegradable block copolymer for drug delivery system and process for the preparation thereof The present invention relates to a liquid polymeric composition capable of forming a physiologically active substance-containing implant when it is injected into a living body and a method of preparation thereof. The composition comprises a water-soluble biocompatib... | 07/12/2005 |
| 6791003 | Dual adhesive transdermal drug delivery system A dual drug containing adhesive transdermal drug delivery system comprising: a support layer, a first drug containing adhesive layer and a second drug containing adhesive layer each of said layers having a proximal and distal surface wherein each layer is positioned... | 09/14/2004 |
| 6753404 | Continuous process for the preparation of copolycarbonate resins A continuous process for the preparation of copolycarbonate resins has great advantages in preparing molding materials of intricate structure or of thin-wall: the molding process may be conducted easily at a relatively low temperature; the copolycarbonate has excell... | 06/22/2004 |
| 6723337 | Transdermal drug delivery system for anti-inflammatory analgesic agent comprising diclofenac diethylammonium salt, and the manufacturing method thereof The invention herein relates to a transdermal drug delivery systern for anti-Inflammatory analgesic. agent comprising diclofenac diethylammonium salt, wherein a backing film (1), a matrix layer (2) containing active ingredients, a release liner (3 | 04/20/2004 |
| 6630156 | Process for preparing biodegradable microspheres containing physiologically active agents The present invention relates to a process for preparing biodegradable microspheres containing physiologically active agents. Particularly, the present invention relates to the process comprised the following steps (1) to prepare a polymer solution contai... | 10/07/2003 |
| 6616941 | Polymeric composition for solubilizing poorly water soluble drugs and process for the preparation thereof A composition capable of forming a micelle in body fluids or in an aqueous medium and that can be injected into the body undiluted or as a diluted solution in an aqueous medium and method of preparation are disclosed. The composition comprises an amphiphi... | 09/09/2003 |
| 6432510 | Fluorinated resins having a surface with high wettability A fluorinated resin having enhanced wettability to water prepared by roughening a surface of the fluorinated resin such that a central line roughness average (Ra) of the surface is increased to at least 0.1 μm, and then depositing thereon a thin hydrophi... | 08/13/2002 |
| 6322805 | Biodegradable polymeric micelle-type drug composition and method for the preparation thereof A biodegradable polymeric drug carrier micelle composition capable of solubilizing a hydrophobic drug in a hydrophilic environment comprises a biodegradable polymeric drug carrier micelle and a hydrophobic drug wherein the drug is physically trapped withi... | 11/27/2001 |
| 6277391 | Composition and method of treating diseases and disorders of the prostate This invention relates to a composition and method for treating diseases and disorders of the prostate such as prostatitis, benign prostatic hypertrophy, and prostate carcinoma. The prostate is treated by intraprostatic injection of a biodegradable sustai... | 08/21/2001 |
| 6267987 | Positively charged poly[alpha-(omega-aminoalkyl) glycolic acid] for the delivery of a bioactive agent via tissue and cellular uptake A biodegradable, positively-charged aminoalkyl polyester polymer for the delivery of bioactive agents, such as DNA, RNA, oligonucleotides, proteins, peptides, and drugs is disclosed. Biologically active moieties, such as drugs, ligands, and the like, can ... | 07/31/2001 |
| 6210717 | Biodegradable mixed polymeric micelles for gene delivery A biodegradable, mixed polymeric micelle used to deliver a selected nucleic acid into a targeted host cell contains an amphiphilic polyester-polycation copolymer and an amphiphilic polyester-sugar copolymer. The polyester-polycation copolymer forms an ele... | 04/03/2001 |
| 5864004 | Flame retardant polymer resin composition having improved heat distortion temperature and mechanical properties A flame retardant resin composition having improved heat distortion temperature and mechanical properties comprising 5-20 parts by weight of phosphate-based flame retardant and 0.01-10 parts by weight of tetrafluoroethylene powder per 100 parts by weight ... | 01/26/1999 |
